drivers/gpu/drm/radeon/rv770_dpm.h

   1 /*
   2  * Copyright 2011 Advanced Micro Devices, Inc.
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice shall be included in
  12  * all copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20  * OTHER DEALINGS IN THE SOFTWARE.
  21  *
  22  */
  23 #ifndef __RV770_DPM_H__
  24 #define __RV770_DPM_H__
  25
  26 #include "radeon.h"
  27 #include "rv770_smc.h"
  28
  29 struct rv770_clock_registers {
  30         u32 cg_spll_func_cntl;
  31         u32 cg_spll_func_cntl_2;
  32         u32 cg_spll_func_cntl_3;
  33         u32 cg_spll_spread_spectrum;
  34         u32 cg_spll_spread_spectrum_2;
  35         u32 mpll_ad_func_cntl;
  36         u32 mpll_ad_func_cntl_2;
  37         u32 mpll_dq_func_cntl;
  38         u32 mpll_dq_func_cntl_2;
  39         u32 mclk_pwrmgt_cntl;
  40         u32 dll_cntl;
  41         u32 mpll_ss1;
  42         u32 mpll_ss2;
  43 };
  44
  45 struct rv730_clock_registers {
  46         u32 cg_spll_func_cntl;
  47         u32 cg_spll_func_cntl_2;
  48         u32 cg_spll_func_cntl_3;
  49         u32 cg_spll_spread_spectrum;
  50         u32 cg_spll_spread_spectrum_2;
  51         u32 mclk_pwrmgt_cntl;
  52         u32 dll_cntl;
  53         u32 mpll_func_cntl;
  54         u32 mpll_func_cntl2;
  55         u32 mpll_func_cntl3;
  56         u32 mpll_ss;
  57         u32 mpll_ss2;
  58 };
  59
  60 union r7xx_clock_registers {
  61         struct rv770_clock_registers rv770;
  62         struct rv730_clock_registers rv730;
  63 };
  64
  65 struct vddc_table_entry {
  66         u16 vddc;
  67         u8 vddc_index;
  68         u8 high_smio;
  69         u32 low_smio;
  70 };
  71
  72 #define MAX_NO_OF_MVDD_VALUES 2
  73 #define MAX_NO_VREG_STEPS 32
  74
  75 struct rv7xx_power_info {
  76         /* flags */
  77         bool mem_gddr5;
  78         bool pcie_gen2;
  79         bool dynamic_pcie_gen2;
  80         bool acpi_pcie_gen2;
  81         bool boot_in_gen2;
  82         bool voltage_control; /* vddc */
  83         bool mvdd_control;
  84         bool sclk_ss;
  85         bool mclk_ss;
  86         bool dynamic_ss;
  87         bool gfx_clock_gating;
  88         bool mg_clock_gating;
  89         bool mgcgtssm;
  90         bool power_gating;
  91         bool thermal_protection;
  92         bool display_gap;
  93         bool dcodt;
  94         bool ulps;
  95         /* registers */
  96         union r7xx_clock_registers clk_regs;
  97         u32 s0_vid_lower_smio_cntl;
  98         /* voltage */
  99         u32 vddc_mask_low;
 100         u32 mvdd_mask_low;
 101         u32 mvdd_split_frequency;
 102         u32 mvdd_low_smio[MAX_NO_OF_MVDD_VALUES];
 103         u16 max_vddc;
 104         u16 max_vddc_in_table;
 105         u16 min_vddc_in_table;
 106         struct vddc_table_entry vddc_table[MAX_NO_VREG_STEPS];
 107         u8 valid_vddc_entries;
 108         /* dc odt */
 109         u32 mclk_odt_threshold;
 110         u8 odt_value_0[2];
 111         u8 odt_value_1[2];
 112         /* stored values */
 113         u32 boot_sclk;
 114         u16 acpi_vddc;
 115         u32 ref_div;
 116         u32 active_auto_throttle_sources;
 117         u32 mclk_stutter_mode_threshold;
 118         u32 mclk_strobe_mode_threshold;
 119         u32 mclk_edc_enable_threshold;
 120         u32 bsp;
 121         u32 bsu;
 122         u32 pbsp;
 123         u32 pbsu;
 124         u32 dsp;
 125         u32 psp;
 126         u32 asi;
 127         u32 pasi;
 128         u32 vrc;
 129         u32 restricted_levels;
 130         u32 rlp;
 131         u32 rmp;
 132         u32 lhp;
 133         u32 lmp;
 134         /* smc offsets */
 135         u16 state_table_start;
 136         u16 soft_regs_start;
 137         u16 sram_end;
 138         /* scratch structs */
 139         RV770_SMC_STATETABLE smc_statetable;
 140 };
 141
 142 struct rv7xx_pl {
 143         u32 sclk;
 144         u32 mclk;
 145         u16 vddc;
 146         u16 vddci; /* eg+ only */
 147         u32 flags;
 148         enum radeon_pcie_gen pcie_gen; /* si+ only */
 149 };
 150
 151 struct rv7xx_ps {
 152         struct rv7xx_pl high;
 153         struct rv7xx_pl medium;
 154         struct rv7xx_pl low;
 155         bool dc_compatible;
 156 };
 157
 158 #define RV770_RLP_DFLT                                10
 159 #define RV770_RMP_DFLT                                25
 160 #define RV770_LHP_DFLT                                25
 161 #define RV770_LMP_DFLT                                10
 162 #define RV770_VRC_DFLT                                0x003f
 163 #define RV770_ASI_DFLT                                1000
 164 #define RV770_HASI_DFLT                               200000
 165 #define RV770_MGCGTTLOCAL0_DFLT                       0x00100000
 166 #define RV7XX_MGCGTTLOCAL0_DFLT                       0
 167 #define RV770_MGCGTTLOCAL1_DFLT                       0xFFFF0000
 168 #define RV770_MGCGCGTSSMCTRL_DFLT                     0x55940000
 169
 170 #define MVDD_LOW_INDEX  0
 171 #define MVDD_HIGH_INDEX 1
 172
 173 #define MVDD_LOW_VALUE  0
 174 #define MVDD_HIGH_VALUE 0xffff
 175
 176 #define RV770_DEFAULT_VCLK_FREQ  53300 /* 10 khz */
 177 #define RV770_DEFAULT_DCLK_FREQ  40000 /* 10 khz */
 178
 179 /* rv730/rv710 */
 180 int rv730_populate_sclk_value(struct radeon_device *rdev,
 181                               u32 engine_clock,
 182                               RV770_SMC_SCLK_VALUE *sclk);
 183 int rv730_populate_mclk_value(struct radeon_device *rdev,
 184                               u32 engine_clock, u32 memory_clock,
 185                               LPRV7XX_SMC_MCLK_VALUE mclk);
 186 void rv730_read_clock_registers(struct radeon_device *rdev);
 187 int rv730_populate_smc_acpi_state(struct radeon_device *rdev,
 188                                   RV770_SMC_STATETABLE *table);
 189 int rv730_populate_smc_initial_state(struct radeon_device *rdev,
 190                                      struct radeon_ps *radeon_initial_state,
 191                                      RV770_SMC_STATETABLE *table);
 192 void rv730_program_memory_timing_parameters(struct radeon_device *rdev,
 193                                             struct radeon_ps *radeon_state);
 194 void rv730_power_gating_enable(struct radeon_device *rdev,
 195                                bool enable);
 196 void rv730_start_dpm(struct radeon_device *rdev);
 197 void rv730_stop_dpm(struct radeon_device *rdev);
 198 void rv730_program_dcodt(struct radeon_device *rdev, bool use_dcodt);
 199 void rv730_get_odt_values(struct radeon_device *rdev);
 200
 201 /* rv740 */
 202 int rv740_populate_sclk_value(struct radeon_device *rdev, u32 engine_clock,
 203                               RV770_SMC_SCLK_VALUE *sclk);
 204 int rv740_populate_mclk_value(struct radeon_device *rdev,
 205                               u32 engine_clock, u32 memory_clock,
 206                               RV7XX_SMC_MCLK_VALUE *mclk);
 207 void rv740_read_clock_registers(struct radeon_device *rdev);
 208 int rv740_populate_smc_acpi_state(struct radeon_device *rdev,
 209                                   RV770_SMC_STATETABLE *table);
 210 void rv740_enable_mclk_spread_spectrum(struct radeon_device *rdev,
 211                                        bool enable);
 212 u8 rv740_get_mclk_frequency_ratio(u32 memory_clock);
 213 u32 rv740_get_dll_speed(bool is_gddr5, u32 memory_clock);
 214 u32 rv740_get_decoded_reference_divider(u32 encoded_ref);
 215
 216 /* rv770 */
 217 u32 rv770_map_clkf_to_ibias(struct radeon_device *rdev, u32 clkf);
 218 int rv770_populate_vddc_value(struct radeon_device *rdev, u16 vddc,
 219                               RV770_SMC_VOLTAGE_VALUE *voltage);
 220 int rv770_populate_mvdd_value(struct radeon_device *rdev, u32 mclk,
 221                               RV770_SMC_VOLTAGE_VALUE *voltage);
 222 u8 rv770_get_seq_value(struct radeon_device *rdev,
 223                        struct rv7xx_pl *pl);
 224 int rv770_populate_initial_mvdd_value(struct radeon_device *rdev,
 225                                       RV770_SMC_VOLTAGE_VALUE *voltage);
 226 u32 rv770_calculate_memory_refresh_rate(struct radeon_device *rdev,
 227                                         u32 engine_clock);
 228 void rv770_program_response_times(struct radeon_device *rdev);
 229 int rv770_populate_smc_sp(struct radeon_device *rdev,
 230                           struct radeon_ps *radeon_state,
 231                           RV770_SMC_SWSTATE *smc_state);
 232 int rv770_populate_smc_t(struct radeon_device *rdev,
 233                          struct radeon_ps *radeon_state,
 234                          RV770_SMC_SWSTATE *smc_state);
 235 void rv770_read_voltage_smio_registers(struct radeon_device *rdev);
 236 void rv770_get_memory_type(struct radeon_device *rdev);
 237 void r7xx_start_smc(struct radeon_device *rdev);
 238 u8 rv770_get_memory_module_index(struct radeon_device *rdev);
 239 void rv770_get_max_vddc(struct radeon_device *rdev);
 240 void rv770_get_pcie_gen2_status(struct radeon_device *rdev);
 241 void rv770_enable_acpi_pm(struct radeon_device *rdev);
 242 void rv770_restore_cgcg(struct radeon_device *rdev);
 243 bool rv770_dpm_enabled(struct radeon_device *rdev);
 244 void rv770_enable_voltage_control(struct radeon_device *rdev,
 245                                   bool enable);
 246 void rv770_enable_backbias(struct radeon_device *rdev,
 247                            bool enable);
 248 void rv770_enable_thermal_protection(struct radeon_device *rdev,
 249                                      bool enable);
 250 void rv770_enable_auto_throttle_source(struct radeon_device *rdev,
 251                                        enum radeon_dpm_auto_throttle_src source,
 252                                        bool enable);
 253 void rv770_setup_bsp(struct radeon_device *rdev);
 254 void rv770_program_git(struct radeon_device *rdev);
 255 void rv770_program_tp(struct radeon_device *rdev);
 256 void rv770_program_tpp(struct radeon_device *rdev);
 257 void rv770_program_sstp(struct radeon_device *rdev);
 258 void rv770_program_engine_speed_parameters(struct radeon_device *rdev);
 259 void rv770_program_vc(struct radeon_device *rdev);
 260 void rv770_clear_vc(struct radeon_device *rdev);
 261 int rv770_upload_firmware(struct radeon_device *rdev);
 262 void rv770_stop_dpm(struct radeon_device *rdev);
 263 void r7xx_stop_smc(struct radeon_device *rdev);
 264 void rv770_reset_smio_status(struct radeon_device *rdev);
 265 int rv770_restrict_performance_levels_before_switch(struct radeon_device *rdev);
 266 int rv770_dpm_force_performance_level(struct radeon_device *rdev,
 267                                       enum radeon_dpm_forced_level level);
 268 int rv770_halt_smc(struct radeon_device *rdev);
 269 int rv770_resume_smc(struct radeon_device *rdev);
 270 int rv770_set_sw_state(struct radeon_device *rdev);
 271 int rv770_set_boot_state(struct radeon_device *rdev);
 272 int rv7xx_parse_power_table(struct radeon_device *rdev);
 273 void rv770_set_uvd_clock_before_set_eng_clock(struct radeon_device *rdev,
 274                                               struct radeon_ps *new_ps,
 275                                               struct radeon_ps *old_ps);
 276 void rv770_set_uvd_clock_after_set_eng_clock(struct radeon_device *rdev,
 277                                              struct radeon_ps *new_ps,
 278                                              struct radeon_ps *old_ps);
 279 void rv770_get_engine_memory_ss(struct radeon_device *rdev);
 280
 281 /* smc */
 282 int rv770_write_smc_soft_register(struct radeon_device *rdev,
 283                                   u16 reg_offset, u32 value);
 284
 285 #endif